National Security Systems

Since 1989 National Security Systems has provided worldwide installation and service of security alarms, fire alarms, access control systems, and CCTV. National Security Systems Inc is one of California’s largest independent alarm installation and service company, with over nineteen years of protecting lives and property. We carry Radionics, Bosch Security Systems, Detection Systems, Honeywell, RS2 Technologies, Ademco, ITI, GE Security, DSC, SDC, Schlage, Locknetics, Alarm Net and many more for home and business. With installations installed worldwide no matter what your security needs are National Security Systems has the right system for you. We understand how important security is, and make it our business to make sure you feel secure at all times.


****Please note****

As of 04/15/2020 our new website address is

This old site will still be maintained for as long as needed for customers with older systems.


National Security Systems…securing the nation.

What type of service are you interested in?

Fire Alarm System for Business

Fire Alarm System for Homes

Fire Alarms for Industrial Buildings

Security Alarms for Business

Security Alarms for Homes

Security Alarms for Industrial Buildings

Camera Systems for Business

Camera Systems for Homes

Camera Systems for Industrial Buildings

Access Control Systems for Business

Access Control Systems for Industrial Buildings


FAQ Help

Omegalarm panels

Preprinted Forms

Online Store

Home (Our New Website)


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Residential security systems




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